Pure Energy
The energy of an object due to its motion
What is Kinetic energy?
The product of force and distance
What is work?
A __________ _____ is a disturbance in matter that transfers energy through the matter
What is a Mechanical Wave?
A change in sound frequency caused by the motion of the sound source, motion of the listener, or both
What is the Doppler effect?
Gravitational Potential energy and elastic potential energy are two forms of this
What is potential energy?
Energy that is stored as a result of position or shape
What is potential energy?
A unit of work
What is a joule?
The height of the wave
What is the amplitude?
This is an indication of how high or low a sound is, which is primarily determined by the frequency of the sound wave.
What is the Pitch?
Bouncing balls have ______ potential energy.
What is elastic?
The ability to do work
What is energy?
Power is equal to work divided by this variable
What is time?
This indicates how many wave crests hit you each second
What is frequency?
Sound travels faster or slower in solids than in liquids?
What is Faster?
The speed of an object equals its distance ________ by time
What is divided?
Sunlight is an example of this kind of energy
What is electromagnetic energy?
Work output of a machine is always ______ than work input
What is less?
Wavelength and frequency are inversely __________ to one another
What is "proportional?"
The bel scale states that every ____ decibels corresponds to a factor of ten increase in the intensity of the sound waves.
What is 10?
Chemical energy is the energy stored in the ______ ________ of the molecules that make up a substance.
What are chemical bonds?
If the speed of an object doubles, this happens to its kinetic energy.
What is KE quadruples?
A machine has an efficiency of 75%. This happens to the other 25% of work put into the machine.
What is lost to friction?
A sound wave is traveling through air with a temperature of 30 degrees C. This is the speed of the sound wave.
What is 349.5 m/s?
A jet traveling at Mach 2.5 through air at 1 degree Celsius. This is the jet's speed in m/s.
What is 830.25 m/s
To calculate power (P), you can divide this.
What is W/t?
amount of Work done divided by the time needed to do it